Home / 1,419,012.65-1,958,283.15-807,149.72

Finding the Fourth Proportional to 1,419,012.65, 1,958,283.15 and 807,149.72

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Solution

The fourth proportional to 1,419,012.65, 1,958,283.15 and 807,149.72 is: 1,113,892.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,012.65 : 1,958,283.15 = 807,149.72 : x
  2. Step 2: Convert to fraction form
    1,419,012.65/1,958,283.15 = 807,149.72/x
  3. Step 3: Cross multiply
    1,419,012.65x = 1,958,283.15 × 807,149.72
  4. Step 4: Simplify right side
    1,419,012.65x = 1,580,627,696,203.22
  5. Step 5: Solve for x
    x = 1,580,627,696,203.22/1,419,012.65
  6. Step 6: Final answer
    x = 1,113,892.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.